import javax.swing.JFrame;
import javax.swing.SwingUtilities;

public class GUI extends JFrame {

    public GUI() {
       setTitle("Simple example");
       setSize(300, 200);
       //Zentrieren
       setLocationRelativeTo(null);  
       //Comment
       //randomcomment
       setDefaultCloseOperation(EXIT_ON_CLOSE);
       //hallo du depp
    }

    
}
